Door frame portion of a vehicle



FIG. 1 is a top, left, right side perspective view of a door frame portion of a vehicle, showing our new design;

FIG. 2 is a top, front, right side perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view, the rear elevational view being a mirror image thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a right side elevational view thereof.

The broken line showing in the drawings is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a door frame portion of a vehicle, as shown and described. 